Is the yellow waist and the willow warming a migratory bird?

Yellow waist willow warbits belong to migratory birds.This kind of bird is generally winter migratory birds and travelers in my country. The so -called winter migratory birds are birds flying in winter, and birds traveling are birds flying.It has a specific breeding place that usually migrates to the breeding ground for reproduction in spring, and it flew back in autumn.If it is artificially raised, since it cannot be migrated, it is necessary to control the temperature and avoid the birds from being affected by high temperature and low temperature.